CN115031123B - Three-degree-of-freedom mounting device for heavy sensor - Google Patents
Three-degree-of-freedom mounting device for heavy sensor Download PDFInfo
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- CN115031123B CN115031123B CN202210757826.7A CN202210757826A CN115031123B CN 115031123 B CN115031123 B CN 115031123B CN 202210757826 A CN202210757826 A CN 202210757826A CN 115031123 B CN115031123 B CN 115031123B
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- 230000008093 supporting effect Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 description 9
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- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/02—Locking means
- F16M2200/021—Locking means for rotational movement
- F16M2200/024—Locking means for rotational movement by positive interaction, e.g. male-female connections
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Transmission And Conversion Of Sensor Element Output (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The application discloses a three-degree-of-freedom mounting device for a heavy sensor, which comprises a rotating platform for enabling the heavy sensor to rotate at 360 degrees in the horizontal direction and a rotating and swinging assembly for enabling the heavy sensor to incline at any angle, wherein the middle part of the rotating platform is provided with a mounting hole, the rotating and swinging assembly is arranged in the mounting hole, two opposite sides of the rotating and swinging assembly are respectively connected and fixed with the rotating platform through a connecting assembly, the rotating and swinging assembly is connected with the heavy sensor through an adapter, and two ends of the adapter are respectively connected with the rotating and swinging assembly and the heavy sensor through threaded connection. According to the application, through the cooperation of the rotating platform and the rotating and swinging assembly, the inclination of any angle of the rotating and swinging assembly can be realized, the 360-degree rotation of the rotating platform in a plane can be realized, and the heavy sensor is rotatably mounted on the mounting device through the adapter, so that the random mounting of the heavy sensor in three degrees of freedom is realized, and the mounting difficulty of the heavy sensor is greatly reduced.
Description
Technical Field
The application relates to the technical field of sensor installation, in particular to a three-degree-of-freedom installation device of a heavy sensor.
Background
Along with the development of technology, the multi-path coordinated loading test technology has been successfully applied to the structural strength test of parts, and a load sensor is an indispensable element in the installation of test equipment as an important element of a loading system. With the gradual increase of test load, the application of the heavy-duty sensor gradually increases, and the heavy-duty sensor has large size and mass (see fig. 1) and is difficult to carry and install, thus bringing great trouble to the test.
To solve the problem of heavy sensor installation, the common practice is: (1) lifting by the resultant force of multiple people; (2) lifting is controlled by a forklift; (3) the sensor is connected with the linear oil cylinder on the ground in advance, and then the oil cylinder is hoisted. However, the three methods have the following problems: the first method is time-consuming and labor-consuming, a single person cannot operate, the sensor cannot be installed through cooperation of multiple persons, a forklift (limited in height of the forklift) cannot be used for installing the sensor at an inclined angle, the third method is used for connecting the sensor on the ground in advance, the installation of a later test is not facilitated, collision damage to the sensor can be caused by slight carelessness, and the problem of installing a heavy sensor cannot be well solved by the traditional method.
Disclosure of Invention
The application provides a three-degree-of-freedom mounting device for a heavy sensor, which aims to solve the technical problem that the heavy sensor is difficult to mount.
According to one aspect of the application, a three-degree-of-freedom mounting device for a heavy sensor is provided, and the three-degree-of-freedom mounting device comprises a rotating platform for enabling the heavy sensor to rotate 360 degrees in the horizontal direction and a rotating swing assembly for enabling the heavy sensor to incline to any angle, wherein the rotating platform is of a central symmetry structure, a mounting hole is formed in the middle of the rotating platform, the rotating swing assembly is arranged in the mounting hole, two opposite sides of the rotating swing assembly are respectively connected and fixed with the rotating platform through connecting assemblies, the rotating swing assembly is of an axisymmetry structure, the rotating swing assembly is connected with the heavy sensor through an adapter, and two ends of the adapter are respectively connected with the rotating swing assembly and the heavy sensor through threaded connection.
As a further improvement of the above technical scheme: the rotary swing assembly is provided with a screw hole for inserting an operation screw rod, and the operation screw rod is used for mounting and assembling the inclination angle of the heavy sensor.
Further, the rotating platform comprises a supporting mechanism, a rotating disc, a fixing mechanism and a rolling unit for enabling the rotating disc to realize a rotatable function, wherein an annular placing groove is formed in the supporting mechanism, the rolling unit is placed in the annular placing groove, the rotating disc is placed on the outer surface of the rolling unit, the fixing mechanism is arranged at a notch of the annular placing groove and used for limiting the rotating disc and the rolling unit to move in the annular placing groove, and the fixing mechanism is connected with the supporting mechanism in a detachable mode.
Further, a stop unit for controlling the rotating disc to rotate and then lock is further arranged on the fixing mechanism.
Further, the stop unit is a stop screw, a threaded hole matched with the stop screw is formed in the fixing mechanism, and the stop screw can accurately control the rotation angle of the rotating disc.
Further, the rolling unit includes a metal ball and a metal ball cage.
Further, the fixing mechanism is provided with a whole circle dial, and the whole circle dial is arranged on one side of the rotating disc and is closely adjacent to the rotating disc.
Further, rotatory swing subassembly includes swing section of thick bamboo, linear bearing and biserial tapered roller bearing, swing section of thick bamboo is upper and lower bottom surface all is equipped with open-ended cylindrical barrel structure, biserial tapered roller bearing sets up in swing section of thick bamboo inner chamber to through bearing jump ring and swing section of thick bamboo fixed connection, be equipped with adapter bush in the inner chamber of biserial tapered roller bearing is fixed in the adapter bush, the quantity of linear bearing is two, two linear bearing divides the both sides and coaxial layout at swing section of thick bamboo, and every linear bearing's outside all is equipped with linear bearing bush, the outer wall of linear bearing bush and the section of thick bamboo wall lower extreme fixed connection of swing section of thick bamboo, the linear bearing cover is established on coupling assembling's surface.
Further, the coupling assembling is the cylinder polished rod, linear bearing cover is established on the cylinder polished rod and can follow the surface slip of cylinder polished rod, and the one end and the rotary platform fixed connection of cylinder polished rod, the other end are equipped with the boss that is used for restricting linear bearing roll-off.
Further, gaps exist between the end part of each linear bearing, which is close to one end of the boss, and the length of the gaps is 8-12mm, so that the position of the heavy sensor can be conveniently adjusted to be aligned with the axis of the actuator.
Further, the linear bearing preferably adopts a standard part LM20UU, the double-row tapered roller bearing preferably adopts a standard part 351309E, and the double-row tapered roller bearing can bear axial load and radial load.
Further, the rotating platform and the rotating and swinging assembly are made of reinforced aluminum alloy materials, so that the structure is light, portable, safe and reliable, the rotating platform can bear the weight of the whole device and the sensor, a screw hole for inserting an operation screw is formed in the rotating and swinging assembly, the operation screw is used for mounting and assembling the inclination angle of the heavy sensor, and the rotating platform is hoisted by a crane or a forklift in a use state.
The application has the following beneficial effects:
(1) The three-degree-of-freedom mounting device for the heavy sensor is matched with the rotary swinging assembly through the rotary platform to form a three-degree-of-freedom (plane rotation, back-and-forth swinging, rotary ascending or descending) rotary structure, any-angle inclination of the rotary swinging assembly can be realized, 360-degree rotation of the rotary platform in a plane can be realized, the heavy sensor is mounted on the mounting device through the adapter, and further the heavy sensor is mounted at will in the three degrees of freedom, and then the heavy sensor is matched with a crane or a forklift to be used, so that the mounting difficulty of the heavy sensor is greatly reduced;
(2) The three-degree-of-freedom mounting device of the heavy sensor is connected with the heavy sensor through the adapter, and different thread specifications of the adapter are matched with threads of different sensor interfaces, so that the mounting device has strong universality;
(3) The application has simple structure, higher reliability, convenient operation and transfer.
In addition to the objects, features and advantages described above, the present application has other objects, features and advantages. The present application will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic view of a heavy duty sensor according to a preferred embodiment of the present application;
FIG. 2 is a schematic perspective view of a three degree of freedom mounting device for a heavy duty sensor according to a preferred embodiment of the present application;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic view of the construction of the heavy duty sensor of the preferred embodiment of the present application as assembled with a three degree of freedom mounting device;
FIG. 6 is a schematic view of the construction of the vertical mounting assembly of the heavy duty sensor according to the preferred embodiment of the present application;
FIG. 7 is a schematic view of the construction of the horizontal mounting assembly of the heavy duty sensor according to the preferred embodiment of the present application;
fig. 8 is a schematic view showing a structure of the tilt mounting assembly of the heavy sensor according to the preferred embodiment of the present application.
Legend description:
1. a heavy-duty sensor; 2. rotating the platform; 21. a mounting hole; 22. a support mechanism; 221. an annular placement groove; 222. a hoisting unit; 23. a rotating disc; 24. a fixing mechanism; 241. a rounding dial; 242. a stopper unit; 243. a threaded hole; 25. a scrolling unit; 251. a metal ball; 252. a metal ball holder; 3. a rotary swing assembly; 31. a swing cylinder; 32. a linear bearing; 33. double-row tapered roller bearings; 34. an adapter bushing; 35. a linear bearing bushing; 36. a screw hole; 4. a connection assembly; 41. a boss; 5. an adapter; 6. operating the screw; 7. and (5) connecting screws.
Detailed Description
Embodiments of the application are described in detail below with reference to the attached drawing figures, but the application can be practiced in a number of different ways, as defined and covered below.
As shown in fig. 1 to 8, a three-degree-of-freedom installation device for a heavy sensor comprises a rotating platform 2 for enabling the heavy sensor 1 to rotate 360 degrees in the horizontal direction and a rotating swing assembly 3 for enabling the heavy sensor 1 to incline to any angle, wherein the rotating platform 2 is of a central symmetry structure, an installation hole 21 is formed in the middle of the rotating platform 2, the rotating swing assembly 3 is arranged in the installation hole 21, two opposite sides of the rotating swing assembly 3 are respectively connected and fixed with the rotating platform 2 through a connecting assembly 4, the rotating swing assembly 3 is connected with the heavy sensor 1 through an adapter 5, two ends of the adapter 5 are respectively connected with the rotating swing assembly 3 and the heavy sensor 1 through threaded connection, different threaded specifications of the adapter 5 are matched with interfaces of different heavy sensors 1, the rotating swing assembly 3, the adapter 5 and the heavy sensor 1 are in a threaded connection mode, the rotating lifting and the rotating lowering of the heavy sensor can be achieved, the threaded specifications can be M24 x 1.5, loads within 5 tons can be born, and the reliability of the heavy sensor in the process of lifting and lowering by means of the threads can be guaranteed.
When the three-degree-of-freedom heavy sensor mounting device of this embodiment is used, firstly, the heavy sensor 1 is mounted on the structure through the adapter 5, and if the heavy sensor is used in combination with a crane: the hoisting rope is connected with the hoisting points at two ends on the rotating platform 2 (the gravity center of the structure is arranged in the hoisting points, and the hoisting points are guaranteed not to be laterally turned), the crane is used for hoisting the heavy sensor 1 to a proper height, the axis of the heavy sensor 1 is collinear with the axis of the linear cylinder under the action of the rotary swinging assembly 3, and the heavy sensor 1 is rotated to be linearly lifted and screwed into the linear cylinder; if matched with a forklift, the device is used: the rotating platform 2 is fixed on a fork of a forklift, the structure is guaranteed not to turn over, the forklift is adjusted to a proper height, the heavy sensor 1 is rotated to enable the heavy sensor to rise straight, and the heavy sensor is screwed into the straight oil cylinder.
In this embodiment, the screw hole 36 for inserting the operation screw rod 6 is provided on the rotary swinging component 3, the operation screw rod 6 is used when the inclination angle of the heavy sensor 1 is installed and assembled, the deflection angle of the rotary swinging component 3 is convenient to adjust by the operation screw rod 6, and then the deflection angle of the heavy sensor 1 is convenient to adjust.
In this embodiment, the rotary platform 2 includes a support mechanism 22, a rotary disk 23, a fixing mechanism 24, and a rolling unit 25 for enabling the rotary disk 23 to realize a rotatable function, an annular placement groove 221 is provided in the support mechanism 22, the rolling unit 25 is placed in the annular placement groove 221, the rotary disk 23 is placed on an outer surface of the rolling unit 25, the fixing mechanism 24 is provided at a notch of the annular placement groove 221 for restricting movement of the rotary disk 23 and the rolling unit 25 in the annular placement groove 221, and the fixing mechanism 24 is connected with the support mechanism 22 by a connection screw 7. The rotating disk 23 can be rotated 360 deg. in the horizontal direction in the annular set groove 221 by the supporting action of the rolling unit, and the fixing mechanism has the function of restricting the rotating disk to rotate only in the annular set groove 221. As shown in fig. 4, the groove bottom of the annular placement groove 221 is further provided with a rolling groove for the rolling unit 25 to roll, avoiding derailment of the metal balls 251.
In this embodiment, be equipped with the hoist and mount unit 222 that is used for hoist and mount on the supporting mechanism 22, hoist and mount unit 222 can include even number journal stirrup, like two journal stirrups or four journal stirrups, and the lifting rope can select suitable lug to connect when hoist and mount, also can be equipped with the lifting hole on the journal stirrup, can be integrated into one piece design between the main structure of journal stirrup and supporting mechanism 22, in other embodiments, hoist and mount unit 222 also can be the lifting hole of setting on supporting mechanism 22, and this lifting hole can be along supporting mechanism 22 annular arrangement, is convenient for carry out reasonable selection according to actual hoist and mount demand.
In this embodiment, the fixing mechanism 24 is further provided with a locking unit 242 for controlling the locking of the rotating disc 23 after rotation. The stopper unit 242 is a stopper screw, and the fixing mechanism 24 is provided with a screw hole 243 for engaging with the stopper screw. The rotation angle of the rotating disc 23 can be precisely controlled by the stopping unit 242, and when the rotating disc 23 rotates to a desired angle, the rotating disc 23 is locked by the stopping unit 242, so that the installation process of the heavy sensor 1 can be smoothly performed. The switching of the rotation state and the locking state of the rotation disk 23 is controlled by the insertion and extraction of the stopper screw in the screw hole 243.
In this embodiment, the support mechanism 22 comprises a support plate which is an annular plate, and the fixing mechanism 24 comprises a pressure plate which is also an annular plate, the pressure plate being connected to the support plate by means of the connecting screw 7 such that the rotating disc 23 is maintained in rotation therebetween.
In this embodiment, the rolling unit 25 includes the metal balls 251 and the metal ball holders 252, and the metal balls 251 are uniformly distributed along the circumference in the plane by the metal ball holders 252, so that not only the smoothness of rolling of the metal balls 251 is ensured, but also the load of the heavy sensor 1 can be uniformly transferred to the supporting mechanism 22. The metal balls 251 may be steel balls, cemented carbide balls, or the like.
In this embodiment, the fixing mechanism 24 is adhered with a full circle dial 241, and the full circle dial 241 is disposed on one side of the rotating disc 23 and is closely adjacent to the rotating disc 23, so as to facilitate reading of the rotation angle during rotation of the rotating disc 23.
In this embodiment, the rotary swinging assembly 3 includes a swinging cylinder 31, linear bearings 32 and double-row tapered roller bearings 33, the swinging cylinder 31 is a cylindrical cylinder structure with openings on the upper and lower bottom surfaces, the double-row tapered roller bearings 33 are disposed in the inner cavity of the swinging cylinder 31 and fixedly connected with the swinging cylinder 31 through bearing snap springs, adapter bushings 34 are fixedly disposed in the inner cavity of the double-row tapered roller bearings 33, the adapter 5 is fixed in the adapter bushings 34 in a threaded connection manner, hexagonal holes are disposed in the adapter bushings 34 to facilitate replacement of the adapter, the number of the linear bearings 32 is two, the two linear bearings 32 are respectively arranged on two sides of the swinging cylinder 31 and coaxially arranged, linear bearing bushings 35 are disposed outside each linear bearing 32, the outer wall of each linear bearing bushing 35 is fixedly connected with the lower end of the cylinder wall of the swinging cylinder 31, and the linear bearings 32 are sleeved on the outer surface of the connecting assembly 4.
In this embodiment, the connecting component 4 is a cylindrical polished rod, the linear bearing 32 is sleeved on the cylindrical polished rod and can slide along the outer surface of the cylindrical polished rod, one end of the cylindrical polished rod is fixedly connected with the rotating platform 2, and the other end of the cylindrical polished rod is provided with a boss 41 for limiting the linear bearing 32 to slide out.
In this embodiment, a gap is formed between the end of each linear bearing (32) near one end of the boss 41 and the boss 41, and the length of the gap is 8-12mm, so as to achieve the effect of fine-tuning the position of the heavy sensor 1 to align with the axis of the actuator. This is because the two linear bearings 32 are limited by the boss when sliding on the cylindrical polish rod, and also limited by the overall structure, for example, when the right linear bearing 32 slides rightward, the left linear bearing 32 slides rightward, and the left linear bearing 32 is limited by the boss, the actual sliding length of the right linear bearing 32 is the gap distance between the left linear bearing 32 and the boss 41 at most, and the principle when the right linear bearing 32 slides leftward is as above, so that the fine adjustment of the position of the heavy sensor 1 can be realized.
In this embodiment, the linear bearing 32 adopts the standard element LM20UU, the double-row tapered roller bearing 33 adopts the standard element 351309E, the structural reliability is high, and the double-row tapered roller bearing 33 is selected to bear both axial load and radial load.
In this embodiment, the rotating platform 2 and the rotating and swinging component 3 are made of reinforced aluminum alloy materials, so that the structure is light, portable, safe and reliable, the rotating platform can bear the weight of the whole device and the sensor, the rotating and swinging component 3 is provided with a screw hole 36 for inserting the operating screw rod 6, and the operating screw rod 6 is used when the heavy sensor 1 is installed and assembled at an inclination angle.
In this embodiment, the rotary platform 2 is lifted by a crane or a forklift in a use state, and when lifted by a crane or a forklift, lifting in a vertical direction, a horizontal direction and an oblique direction can be performed as shown in fig. 6 to 8. When the heavy sensor 1 is installed, the heavy sensor 1 is firstly installed on the installation structure of the embodiment through the adapter 5, two ends of hanging points (which can be 4 lugs on the rotating platform 2 or can be hanging holes directly arranged on the supporting structure 22) are connected through hanging ropes, the heavy sensor 1 is hung to a proper height by using the hanging crane, and under the matched use of the double-row tapered roller bearing 33 and the linear bearing 32, the axis of the heavy sensor 1 is collinear with the axis of the linear cylinder, and the heavy sensor is rotated to be screwed into the linear cylinder. When the inclination angle is installed and assembled (as shown in fig. 8), the operating screw rod 6 is inserted into the swinging cylinder 31, the angle position of the heavy sensor 1 is adjusted by manually operating the screw rod 6, and the whole heavy sensor 1 can be supported by only small force on the operating screw rod 6 due to the lever principle, so that the operation difficulty is reduced.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (7)
1. A three-degree-of-freedom mounting device for a heavy sensor is characterized by comprising a rotating platform (2) for enabling the heavy sensor (1) to rotate 360 degrees in the horizontal direction and a rotating and swinging assembly (3) for enabling the heavy sensor (1) to incline to any angle,
the rotary platform (2) is of a central symmetrical structure, the middle part of the rotary platform (2) is provided with a mounting hole (21), the rotary swinging component (3) is arranged in the mounting hole (21), two opposite sides of the rotary swinging component (3) are respectively connected and fixed with the rotary platform (2) through a connecting component (4),
the rotary swinging assembly (3) is connected with the heavy sensor (1) through an adapter (5), and two ends of the adapter (5) are respectively connected with the rotary swinging assembly (3) and the heavy sensor (1) in a threaded connection mode;
the rotary platform (2) comprises a supporting mechanism (22), a rotary disc (23), a fixing mechanism (24) and a rolling unit (25) for enabling the rotary disc (23) to realize a rotatable function,
an annular placing groove (221) is formed in the supporting mechanism (22), the rolling unit (25) is placed in the annular placing groove (221), the rotating disc (23) is placed on the outer surface of the rolling unit (25), the fixing mechanism (24) is arranged at a notch of the annular placing groove (221) and used for limiting the rotating disc (23) and the rolling unit (25) to move in the annular placing groove (221), and the fixing mechanism (24) is connected with the supporting mechanism (22) in a detachable mode;
the rotary swinging assembly (3) comprises a swinging cylinder (31), a linear bearing (32) and a double-row tapered roller bearing (33),
the swinging cylinder (31) is a cylindrical cylinder structure with openings on the upper and lower bottom surfaces,
the double-row tapered roller bearing (33) is fixedly connected in the inner cavity of the swinging cylinder (31), an adapter bushing (34) is fixedly arranged in the inner cavity of the double-row tapered roller bearing (33), the adapter (5) is fixed in the adapter bushing (34) in a threaded connection mode,
the number of the linear bearings (32) is two, the two linear bearings (32) are respectively arranged at two sides of the swinging cylinder (31) and are coaxially arranged, a linear bearing bushing (35) is arranged outside each linear bearing (32), the outer wall of each linear bearing bushing (35) is fixedly connected with the lower end of the cylinder wall of the swinging cylinder (31), and the linear bearings (32) are sleeved on the outer surface of the connecting component (4);
the connecting assembly (4) is a cylindrical polished rod, the linear bearing (32) is sleeved on the cylindrical polished rod and can slide along the outer surface of the cylindrical polished rod, one end of the cylindrical polished rod is fixedly connected with the rotating platform (2), and a boss (41) for limiting the linear bearing (32) to slide out is arranged at the other end of the cylindrical polished rod.
2. The three-degree-of-freedom mounting device of the heavy sensor according to claim 1, wherein the rotary swing assembly (3) is provided with a screw hole (36) for inserting an operation screw (6), and the operation screw (6) is used for mounting and assembling the heavy sensor (1) at an inclination angle.
3. The three degree of freedom mounting apparatus of a heavy duty sensor of claim 1 wherein,
the fixing mechanism (24) is also provided with a stop unit (242) for controlling the rotating disc (23) to rotate and then lock.
4. A three degree of freedom mounting apparatus for a heavy duty sensor as claimed in claim 3 wherein,
the stop unit (242) stops the screw, and a threaded hole (243) for matching with the stop screw is arranged on the fixing mechanism (24).
5. The three degree of freedom mounting apparatus of a heavy duty sensor of claim 1 wherein,
the rolling unit (25) includes a metal ball (251) and a metal ball holder (252).
6. The three degree of freedom mounting device of a heavy duty sensor according to any of the claims 3-5 characterized in that a full circle dial (241) is provided on the fixing mechanism (24), said full circle dial (241) being provided on one side of the rotating disc (23) and in close proximity to the rotating disc (23).
7. The three degree of freedom mounting apparatus of a heavy duty sensor of claim 1 wherein,
a gap is formed between the end, close to one end of the boss (41), of each linear bearing (32) and the boss (41), and the length of the gap is 8-12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210757826.7A CN115031123B (en) | 2022-06-29 | 2022-06-29 | Three-degree-of-freedom mounting device for heavy sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210757826.7A CN115031123B (en) | 2022-06-29 | 2022-06-29 | Three-degree-of-freedom mounting device for heavy sensor |
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Citations (5)
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| CN107309793A (en) * | 2017-06-06 | 2017-11-03 | 广东博科数控机械有限公司 | A kind of grip device and the work bench with adjustable holder using the grip device that positioning is swung with two-freedom synchronous rotary and any angle |
| CN109029947A (en) * | 2018-07-05 | 2018-12-18 | 武汉海王机电工程技术有限公司 | Small-sized heavy duty multiple degrees of freedom regulating device |
| CN209190703U (en) * | 2018-11-21 | 2019-08-02 | 湖南航天环宇通信科技股份有限公司 | Multiple degrees of freedom installs docking platform |
| CN111702705A (en) * | 2020-07-22 | 2020-09-25 | 北京星际荣耀空间科技有限公司 | Three-degree-of-freedom platform |
| CN113146532A (en) * | 2020-12-15 | 2021-07-23 | 兰州空间技术物理研究所 | Ion thruster assembling device and method capable of rotating at multiple angles |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309793A (en) * | 2017-06-06 | 2017-11-03 | 广东博科数控机械有限公司 | A kind of grip device and the work bench with adjustable holder using the grip device that positioning is swung with two-freedom synchronous rotary and any angle |
| CN109029947A (en) * | 2018-07-05 | 2018-12-18 | 武汉海王机电工程技术有限公司 | Small-sized heavy duty multiple degrees of freedom regulating device |
| CN209190703U (en) * | 2018-11-21 | 2019-08-02 | 湖南航天环宇通信科技股份有限公司 | Multiple degrees of freedom installs docking platform |
| CN111702705A (en) * | 2020-07-22 | 2020-09-25 | 北京星际荣耀空间科技有限公司 | Three-degree-of-freedom platform |
| CN113146532A (en) * | 2020-12-15 | 2021-07-23 | 兰州空间技术物理研究所 | Ion thruster assembling device and method capable of rotating at multiple angles |
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| CN115031123A (en) | 2022-09-09 |
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